diff --git a/tests/mocks/core/benchmark.php b/tests/mocks/core/benchmark.php
deleted file mode 100644
index d92be21..0000000
--- a/tests/mocks/core/benchmark.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-
-class Mock_Core_Benchmark extends CI_Benchmark {}
\ No newline at end of file
diff --git a/tests/mocks/database/db/driver.php b/tests/mocks/database/db/driver.php
index 2cf54b9..86f7efd 100644
--- a/tests/mocks/database/db/driver.php
+++ b/tests/mocks/database/db/driver.php
@@ -37,4 +37,4 @@
 
 }
 
-class CI_DB extends Mock_Database_DB_QueryBuilder {}
\ No newline at end of file
+class CI_DB extends CI_DB_query_builder {}
\ No newline at end of file
diff --git a/tests/mocks/database/db/querybuilder.php b/tests/mocks/database/db/querybuilder.php
deleted file mode 100644
index 3f22526..0000000
--- a/tests/mocks/database/db/querybuilder.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-
-class Mock_Database_DB_QueryBuilder extends CI_DB_query_builder {}
\ No newline at end of file
diff --git a/tests/mocks/libraries/parser.php b/tests/mocks/libraries/parser.php
deleted file mode 100644
index 81dcfb3..0000000
--- a/tests/mocks/libraries/parser.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-
-class Mock_Libraries_Parser extends CI_Parser {}
\ No newline at end of file
diff --git a/tests/mocks/libraries/typography.php b/tests/mocks/libraries/typography.php
deleted file mode 100644
index 0f76c57..0000000
--- a/tests/mocks/libraries/typography.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-
-class Mock_Libraries_Typography extends CI_Typography {}
\ No newline at end of file
diff --git a/tests/mocks/libraries/upload.php b/tests/mocks/libraries/upload.php
deleted file mode 100644
index 988723e..0000000
--- a/tests/mocks/libraries/upload.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-
-class Mock_Libraries_Upload extends CI_Upload {}
\ No newline at end of file
diff --git a/tests/mocks/libraries/useragent.php b/tests/mocks/libraries/useragent.php
deleted file mode 100644
index c957cde..0000000
--- a/tests/mocks/libraries/useragent.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-
-class Mock_Libraries_UserAgent extends CI_User_agent {}
\ No newline at end of file